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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostics) (P0171 To P0685) (2.5L) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P060B Internal Control Module A/D Processing Performance >> Diagnostic Method
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Diagnostic Method

Judge as NG when one of the following conditions is established.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
(1) A/D voltages for monitoring > 2.7 V
or
< 2.5 V
(2) |Buffer voltage of AD changes - Base voltage of A/D changes| > 0.029296875 V
(3) A/D voltages for monitoring Did not change
(4) |Throttle position sensor (Main) - (Amplified throttle position sensor (Main))/4| ≥ 3 °
(5) (Amplified throttle position sensor (Main))/4 ≤ 23.8235 °

Time Needed for Diagnosis: 

  1. 200 ms
  2. 200 ms
  3. 200 ms
  4. 24 ms
  5. 24 ms

Malfunction Indicator Light Illumination:  Illuminates as soon as a malfunction occurs.